ob·fus·cate (ŏbfə-skāt′, ŏb-fŭskāt′)
tr.v. ob·fus·cat·ed, ob·fus·cat·ing, ob·fus·cates
1. To make so confused or opaque as to be difficult to perceive or understand: "A great effort was made ... to obscure or obfuscate the truth" (Robert Conquest).
2. To render indistinct or dim; darken: The fog obfuscated the shore.
[Latin obfuscāre, obfuscāt-, to darken : ob-, over; see OB- + fuscāre, to darken (from fuscus, dark).]
ob·fusca·to′ry (ŏb-fŭskə-tôr′ē, əb-) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.